近年来胃癌的发病率虽有下降趋势，但迄今为止，胃癌仍为威胁我国人民生命健康的主要恶性肿瘤之一。欲提高其疗效，首先是提高早期胃癌的检出率，增加早期胃癌在整个治疗胃癌中的构成比，这是最直接、有效而又是重要的途径。日本目前早期胃癌已占治疗胃癌的５０％，故其五... Although the incidence of gastric cancer has declined in recent years, gastric cancer has so far been one of the major malignancies threatening the lives and health of our people. To improve its efficacy, the first is to increase the detection rate of early gastric cancer and increase the composition ratio of early gastric cancer in the entire treatment of gastric cancer. This is the most direct, effective and important approach. Japan’s current early gastric cancer has accounted for 50% of the treatment of gastric cancer, so its five ...